var response = function(width, element, fns) {
  var wR = this,
      width = width,
      fns = fns,
      timer = 0,
      lastVal,
      lastDir;
  wR.element = element;
  wR.run = function() {
    if(window.innerWidth > width){
      thisDir = true;
    }else{
      thisDir = false;
    }
    if(lastDir != thisDir) {
      if(window.innerWidth > width) {
        fns.over.call();
      } else {
        fns.less.call();
      }
    }
    lastDir = thisDir;
  };
  $(window).resize(function(event) {
    clearTimeout(timer);
    timer = setTimeout(wR.run(), 3000);
  });
}
$(function() {
  $('.modules-menu-level-1, .modules-menu-level-2').before('<i class="fa fa-angle-down"></i>');
  $('.modules-menu').on('click', '.fa', function(event) {
    $(this).next('ul').slideToggle(300);
  });
  var menuLevel1 = new response(786, $('.modules-menu-level-1'), {
    "over": function() {menuLevel1.element.removeAttr('style');},
    "less": function() {return false}
  });
  var menuLevel2 = new response(786, $('.modules-menu-level-2'), {
    "over": function() {menuLevel2.element.removeAttr('style');},
    "less": function() {return false}
  });
});